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feat: API endpoints to upload dataset/db (#11728) 

* feat: API endpoints to upload dataset/db

* Fix method call
This commit is contained in:
Beto Dealmeida 2020-11-17 14:49:33 -08:00 committed by GitHub
parent b3ead231cc
commit cce716a821
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11 changed files with 450 additions and 12 deletions
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2
superset/cli.py
View File

@ -301,7 +301,7 @@ def export_dashboards(dashboard_file: str, print_stdout: bool) -> None:
)
def import_datasources(path: str, sync: str, recursive: bool) -> None:
"""Import datasources from YAML"""
from superset.datasets.commands.importers.v0 import ImportDatasetsCommand
from superset.datasets.commands.importers.dispatcher import ImportDatasetsCommand
sync_array = sync.split(",")
sync_columns = "columns" in sync_array

1
superset/constants.py
View File

@ -50,6 +50,7 @@ class RouteMethod: # pylint: disable=too-few-public-methods
# RestModelView specific
EXPORT = "export"
IMPORT = "import_"
GET = "get"
GET_LIST = "get_list"
POST = "post"

56
superset/databases/api.py
View File

@ -35,6 +35,7 @@ from sqlalchemy.exc import (
)
from superset import event_logger
from superset.commands.exceptions import CommandInvalidError
from superset.constants import RouteMethod
from superset.databases.commands.create import CreateDatabaseCommand
from superset.databases.commands.delete import DeleteDatabaseCommand
@ -49,6 +50,7 @@ from superset.databases.commands.exceptions import (
DatabaseUpdateFailedError,
)
from superset.databases.commands.export import ExportDatabasesCommand
from superset.databases.commands.importers.dispatcher import ImportDatabasesCommand
from superset.databases.commands.test_connection import TestConnectionDatabaseCommand
from superset.databases.commands.update import UpdateDatabaseCommand
from superset.databases.dao import DatabaseDAO
@ -80,6 +82,7 @@ class DatabaseRestApi(BaseSupersetModelRestApi):
include_route_methods = RouteMethod.REST_MODEL_VIEW_CRUD_SET | {
RouteMethod.EXPORT,
RouteMethod.IMPORT,
"table_metadata",
"select_star",
"schemas",
@ -722,3 +725,56 @@ class DatabaseRestApi(BaseSupersetModelRestApi):
as_attachment=True,
attachment_filename=filename,
)
@expose("/import/", methods=["POST"])
@protect()
@safe
@statsd_metrics
def import_(self) -> Response:
"""Import database(s) with associated datasets
---
post:
requestBody:
content:
application/zip:
schema:
type: string
format: binary
responses:
200:
description: Database import result
content:
application/json:
schema:
type: object
properties:
message:
type: string
400:
$ref: '#/components/responses/400'
401:
$ref: '#/components/responses/401'
422:
$ref: '#/components/responses/422'
500:
$ref: '#/components/responses/500'
"""
upload = request.files.get("file")
if not upload:
return self.response_400()
with ZipFile(upload) as bundle:
contents = {
file_name: bundle.read(file_name).decode()
for file_name in bundle.namelist()
}
command = ImportDatabasesCommand(contents)
try:
command.run()
return self.response(200, message="OK")
except CommandInvalidError as exc:
logger.warning("Import database failed")
return self.response_422(message=exc.normalized_messages())
except Exception as exc: # pylint: disable=broad-except
logger.exception("Import database failed")
return self.response_500(message=str(exc))

68
superset/databases/commands/importers/dispatcher.py Normal file
View File

@ -0,0 +1,68 @@
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
import logging
from typing import Any, Dict
from marshmallow.exceptions import ValidationError
from superset.commands.base import BaseCommand
from superset.commands.exceptions import CommandInvalidError
from superset.commands.importers.exceptions import IncorrectVersionError
from superset.databases.commands.importers import v1
logger = logging.getLogger(__name__)
command_versions = [v1.ImportDatabasesCommand]
class ImportDatabasesCommand(BaseCommand):
"""
Import databases.
This command dispatches the import to different versions of the command
until it finds one that matches.
"""
# pylint: disable=unused-argument
def __init__(self, contents: Dict[str, str], *args: Any, **kwargs: Any):
self.contents = contents
def run(self) -> None:
# iterate over all commands until we find a version that can
# handle the contents
for version in command_versions:
command = version(self.contents)
try:
command.run()
return
except IncorrectVersionError:
# file is not handled by this command, skip
pass
except (CommandInvalidError, ValidationError) as exc:
# found right version, but file is invalid
logger.info("Command failed validation")
raise exc
except Exception as exc:
# validation succeeded but something went wrong
logger.exception("Error running import command")
raise exc
raise CommandInvalidError("Could not find a valid command to import file")
def validate(self) -> None:
pass

56
superset/datasets/api.py
View File

@ -28,6 +28,7 @@ from flask_babel import ngettext
from marshmallow import ValidationError
from superset import is_feature_enabled
from superset.commands.exceptions import CommandInvalidError
from superset.connectors.sqla.models import SqlaTable
from superset.constants import RouteMethod
from superset.databases.filters import DatabaseFilter
@ -45,6 +46,7 @@ from superset.datasets.commands.exceptions import (
DatasetUpdateFailedError,
)
from superset.datasets.commands.export import ExportDatasetsCommand
from superset.datasets.commands.importers.dispatcher import ImportDatasetsCommand
from superset.datasets.commands.refresh import RefreshDatasetCommand
from superset.datasets.commands.update import UpdateDatasetCommand
from superset.datasets.dao import DatasetDAO
@ -76,6 +78,7 @@ class DatasetRestApi(BaseSupersetModelRestApi):
class_permission_name = "TableModelView"
include_route_methods = RouteMethod.REST_MODEL_VIEW_CRUD_SET | {
RouteMethod.EXPORT,
RouteMethod.IMPORT,
RouteMethod.RELATED,
RouteMethod.DISTINCT,
"bulk_delete",
@ -589,3 +592,56 @@ class DatasetRestApi(BaseSupersetModelRestApi):
return self.response_403()
except DatasetBulkDeleteFailedError as ex:
return self.response_422(message=str(ex))
@expose("/import/", methods=["POST"])
@protect()
@safe
@statsd_metrics
def import_(self) -> Response:
"""Import dataset (s) with associated databases
---
post:
requestBody:
content:
application/zip:
schema:
type: string
format: binary
responses:
200:
description: Dataset import result
content:
application/json:
schema:
type: object
properties:
message:
type: string
400:
$ref: '#/components/responses/400'
401:
$ref: '#/components/responses/401'
422:
$ref: '#/components/responses/422'
500:
$ref: '#/components/responses/500'
"""
upload = request.files.get("file")
if not upload:
return self.response_400()
with ZipFile(upload) as bundle:
contents = {
file_name: bundle.read(file_name).decode()
for file_name in bundle.namelist()
}
command = ImportDatasetsCommand(contents)
try:
command.run()
return self.response(200, message="OK")
except CommandInvalidError as exc:
logger.warning("Import dataset failed")
return self.response_422(message=exc.normalized_messages())
except Exception as exc: # pylint: disable=broad-except
logger.exception("Import dataset failed")
return self.response_500(message=str(exc))

73
superset/datasets/commands/importers/dispatcher.py Normal file
View File

@ -0,0 +1,73 @@
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
import logging
from typing import Any, Dict
from marshmallow.exceptions import ValidationError
from superset.commands.base import BaseCommand
from superset.commands.exceptions import CommandInvalidError
from superset.commands.importers.exceptions import IncorrectVersionError
from superset.datasets.commands.importers import v0, v1
logger = logging.getLogger(__name__)
# list of different import formats supported; v0 should be last because
# the files are not versioned
command_versions = [
v1.ImportDatasetsCommand,
v0.ImportDatasetsCommand,
]
class ImportDatasetsCommand(BaseCommand):
"""
Import datasets.
This command dispatches the import to different versions of the command
until it finds one that matches.
"""
# pylint: disable=unused-argument
def __init__(self, contents: Dict[str, str], *args: Any, **kwargs: Any):
self.contents = contents
def run(self) -> None:
# iterate over all commands until we find a version that can
# handle the contents
for version in command_versions:
command = version(self.contents)
try:
command.run()
return
except IncorrectVersionError:
# file is not handled by command, skip
pass
except (CommandInvalidError, ValidationError) as exc:
# found right version, but file is invalid
logger.info("Command failed validation")
raise exc
except Exception as exc:
# validation succeeded but something went wrong
logger.exception("Error running import command")
raise exc
raise CommandInvalidError("Could not find a valid command to import file")
def validate(self) -> None:
pass

18
superset/datasets/commands/importers/v0.py
View File

@ -25,6 +25,7 @@ from sqlalchemy.orm.session import make_transient
from superset import db
from superset.commands.base import BaseCommand
from superset.commands.importers.exceptions import IncorrectVersionError
from superset.connectors.base.models import BaseColumn, BaseDatasource, BaseMetric
from superset.connectors.druid.models import (
DruidCluster,
@ -289,6 +290,7 @@ class ImportDatasetsCommand(BaseCommand):
sync_metrics: bool = False,
):
self.contents = contents
self._configs: Dict[str, Any] = {}
self.sync = []
if sync_columns:
@ -299,15 +301,21 @@ class ImportDatasetsCommand(BaseCommand):
def run(self) -> None:
self.validate()
for file_name, content in self.contents.items():
for file_name, config in self._configs.items():
logger.info("Importing dataset from file %s", file_name)
import_from_dict(db.session, yaml.safe_load(content), sync=self.sync)
import_from_dict(db.session, config, sync=self.sync)
def validate(self) -> None:
# ensure all files are YAML
for content in self.contents.values():
for file_name, content in self.contents.items():
try:
yaml.safe_load(content)
config = yaml.safe_load(content)
except yaml.parser.ParserError:
logger.exception("Invalid YAML file")
raise
raise IncorrectVersionError(f"{file_name} is not a valid YAML file")
# check for keys
if DATABASES_KEY not in config and DRUID_CLUSTERS_KEY not in config:
raise IncorrectVersionError(f"{file_name} has no valid keys")
self._configs[file_name] = config

1
superset/views/base_api.py
View File

@ -128,6 +128,7 @@ class BaseSupersetModelRestApi(ModelRestApi):
"delete": "delete",
"distinct": "list",
"export": "mulexport",
"import_": "add",
"get": "show",
"get_list": "list",
"info": "list",

79
tests/databases/api_tests.py
View File

@ -15,13 +15,15 @@
# specific language governing permissions and limitations
# under the License.
# isort:skip_file
# pylint: disable=invalid-name, no-self-use, too-many-public-methods, too-many-arguments
"""Unit tests for Superset"""
import json
from io import BytesIO
from zipfile import is_zipfile
from zipfile import is_zipfile, ZipFile
import prison
import pytest
import yaml
from sqlalchemy.sql import func
@ -31,6 +33,13 @@ from superset.models.core import Database
from superset.utils.core import get_example_database, get_main_database
from tests.base_tests import SupersetTestCase
from tests.fixtures.certificates import ssl_certificate
from tests.fixtures.importexport import (
database_config,
dataset_config,
database_metadata_config,
dataset_metadata_config,
)
from tests.fixtures.unicode_dashboard import load_unicode_dashboard_with_position
from tests.test_app import app
@ -817,3 +826,71 @@ class TestDatabaseApi(SupersetTestCase):
uri = f"api/v1/database/export/?q={prison.dumps(argument)}"
rv = self.get_assert_metric(uri, "export")
assert rv.status_code == 404
def test_import_database(self):
"""
Database API: Test import database
"""
self.login(username="admin")
uri = "api/v1/database/import/"
buf = BytesIO()
with ZipFile(buf, "w") as bundle:
with bundle.open("metadata.yaml", "w") as fp:
fp.write(yaml.safe_dump(database_metadata_config).encode())
with bundle.open("databases/imported_database.yaml", "w") as fp:
fp.write(yaml.safe_dump(database_config).encode())
with bundle.open("datasets/import_dataset.yaml", "w") as fp:
fp.write(yaml.safe_dump(dataset_config).encode())
buf.seek(0)
form_data = {
"file": (buf, "database_export.zip"),
}
rv = self.client.post(uri, data=form_data, content_type="multipart/form-data")
response = json.loads(rv.data.decode("utf-8"))
assert rv.status_code == 200
assert response == {"message": "OK"}
database = (
db.session.query(Database).filter_by(uuid=database_config["uuid"]).one()
)
assert database.database_name == "imported_database"
assert len(database.tables) == 1
dataset = database.tables[0]
assert dataset.table_name == "imported_dataset"
assert str(dataset.uuid) == dataset_config["uuid"]
db.session.delete(dataset)
db.session.delete(database)
db.session.commit()
def test_import_database_invalid(self):
"""
Database API: Test import invalid database
"""
self.login(username="admin")
uri = "api/v1/database/import/"
buf = BytesIO()
with ZipFile(buf, "w") as bundle:
with bundle.open("metadata.yaml", "w") as fp:
fp.write(yaml.safe_dump(dataset_metadata_config).encode())
with bundle.open("databases/imported_database.yaml", "w") as fp:
fp.write(yaml.safe_dump(database_config).encode())
with bundle.open("datasets/import_dataset.yaml", "w") as fp:
fp.write(yaml.safe_dump(dataset_config).encode())
buf.seek(0)
form_data = {
"file": (buf, "database_export.zip"),
}
rv = self.client.post(uri, data=form_data, content_type="multipart/form-data")
response = json.loads(rv.data.decode("utf-8"))
assert rv.status_code == 422
assert response == {
"message": {"metadata.yaml": {"type": ["Must be equal to Database."]}}
}

2
tests/databases/commands_tests.py
View File

@ -432,7 +432,7 @@ class TestExportDatabasesCommand(SupersetTestCase):
command.run()
assert str(excinfo.value) == "Error importing database"
assert excinfo.value.normalized_messages() == {
"metadata.yaml": {"type": ["Must be equal to Database."],}
"metadata.yaml": {"type": ["Must be equal to Database."]}
}
# must also validate datasets

106
tests/datasets/api_tests.py
View File

@ -14,12 +14,13 @@
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
# pylint: disable=too-many-public-methods, invalid-name
"""Unit tests for Superset"""
import json
from io import BytesIO
from typing import List, Optional
from unittest.mock import patch
from zipfile import is_zipfile
from zipfile import is_zipfile, ZipFile
import prison
import pytest
@ -38,6 +39,12 @@ from superset.utils.core import backend, get_example_database, get_main_database
from superset.utils.dict_import_export import export_to_dict
from tests.base_tests import SupersetTestCase
from tests.conftest import CTAS_SCHEMA_NAME
from tests.fixtures.importexport import (
database_config,
database_metadata_config,
dataset_config,
dataset_metadata_config,
)
class TestDatasetApi(SupersetTestCase):
@ -139,7 +146,7 @@ class TestDatasetApi(SupersetTestCase):
arguments = {
"filters": [
{"col": "database", "opr": "rel_o_m", "value": f"{example_db.id}"},
{"col": "table_name", "opr": "eq", "value": f"birth_names"},
{"col": "table_name", "opr": "eq", "value": "birth_names"},
]
}
uri = f"api/v1/dataset/?q={prison.dumps(arguments)}"
@ -170,7 +177,6 @@ class TestDatasetApi(SupersetTestCase):
"""
Dataset API: Test get dataset list gamma
"""
example_db = get_example_database()
self.login(username="gamma")
uri = "api/v1/dataset/"
rv = self.get_assert_metric(uri, "get_list")
@ -423,7 +429,7 @@ class TestDatasetApi(SupersetTestCase):
"table_name": "ab_permission",
"owners": [admin.id, 1000],
}
uri = f"api/v1/dataset/"
uri = "api/v1/dataset/"
rv = self.post_assert_metric(uri, table_data, "post")
assert rv.status_code == 422
data = json.loads(rv.data.decode("utf-8"))
@ -1169,3 +1175,95 @@ class TestDatasetApi(SupersetTestCase):
data = json.loads(rv.data.decode("utf-8"))
for table_name in self.fixture_tables_names:
assert table_name in [ds["table_name"] for ds in data["result"]]
def test_import_dataset(self):
"""
Dataset API: Test import dataset
"""
self.login(username="admin")
uri = "api/v1/dataset/import/"
buf = BytesIO()
with ZipFile(buf, "w") as bundle:
with bundle.open("metadata.yaml", "w") as fp:
fp.write(yaml.safe_dump(dataset_metadata_config).encode())
with bundle.open("databases/imported_database.yaml", "w") as fp:
fp.write(yaml.safe_dump(database_config).encode())
with bundle.open("datasets/import_dataset.yaml", "w") as fp:
fp.write(yaml.safe_dump(dataset_config).encode())
buf.seek(0)
form_data = {
"file": (buf, "dataset_export.zip"),
}
rv = self.client.post(uri, data=form_data, content_type="multipart/form-data")
response = json.loads(rv.data.decode("utf-8"))
assert rv.status_code == 200
assert response == {"message": "OK"}
database = (
db.session.query(Database).filter_by(uuid=database_config["uuid"]).one()
)
assert database.database_name == "imported_database"
assert len(database.tables) == 1
dataset = database.tables[0]
assert dataset.table_name == "imported_dataset"
assert str(dataset.uuid) == dataset_config["uuid"]
db.session.delete(dataset)
db.session.delete(database)
db.session.commit()
def test_import_dataset_invalid(self):
"""
Dataset API: Test import invalid dataset
"""
self.login(username="admin")
uri = "api/v1/dataset/import/"
buf = BytesIO()
with ZipFile(buf, "w") as bundle:
with bundle.open("metadata.yaml", "w") as fp:
fp.write(yaml.safe_dump(database_metadata_config).encode())
with bundle.open("databases/imported_database.yaml", "w") as fp:
fp.write(yaml.safe_dump(database_config).encode())
with bundle.open("datasets/import_dataset.yaml", "w") as fp:
fp.write(yaml.safe_dump(dataset_config).encode())
buf.seek(0)
form_data = {
"file": (buf, "dataset_export.zip"),
}
rv = self.client.post(uri, data=form_data, content_type="multipart/form-data")
response = json.loads(rv.data.decode("utf-8"))
assert rv.status_code == 422
assert response == {
"message": {"metadata.yaml": {"type": ["Must be equal to SqlaTable."]}}
}
def test_import_dataset_invalid_v0_validation(self):
"""
Dataset API: Test import invalid dataset
"""
self.login(username="admin")
uri = "api/v1/dataset/import/"
buf = BytesIO()
with ZipFile(buf, "w") as bundle:
with bundle.open("databases/imported_database.yaml", "w") as fp:
fp.write(yaml.safe_dump(database_config).encode())
with bundle.open("datasets/import_dataset.yaml", "w") as fp:
fp.write(yaml.safe_dump(dataset_config).encode())
buf.seek(0)
form_data = {
"file": (buf, "dataset_export.zip"),
}
rv = self.client.post(uri, data=form_data, content_type="multipart/form-data")
response = json.loads(rv.data.decode("utf-8"))
assert rv.status_code == 422
assert response == {"message": "Could not process entity"}